Engine Speed Signal Inspection

COMBINATION METERS


Engine Speed Signal Inspection

1.CHECK ECM SELF-DIAGNOSIS
Perform ECM self-diagnosis. Refer to CONSULT-III Function.
OK or NG
OK - GO TO 2.
NG - Perform "Diagnostic Procedure" for displayed DTC.
2.COMPARE TACHOMETER AND DATA MONITOR INDICATIONS
1. Select "METER/M&A" on CONSULT-III.
2. Run the engine at different speeds and compare tachometer gauge indication with "TACHO METER" of "DATA MONITOR". Tachometer and "DATA MONITOR" indications should be close.
OK or NG
OK - Inspection End.
NG - Replace combination meter. Refer to Service and Repair.